Revert "[JENKINS-16502] Permission to see an executor/slave"

This reverts commit 647695e2ffc2f568ca1b80bc5b0cd7b0658eeb3d.
Better wait until build is finshed and remove existing CauseAction.
[FIXED JENKINS-19251] Use hashes rather than modification time to determine if Maven agent JARs are up to date.
[maven-release-plugin] prepare release jenkins-1.533
[maven-release-plugin] prepare for next development iteration
updated changelog for release
updated changelog as a part of the release
merged back the RC branch
creating an RC branch
the trunk is toward 1.535-SNAPSHOT
Merge pull request #958 from lvotypko/userTest

Better wait until build is finshed and remove existing CauseAction.
Merge remote-tracking branch 'upstream/master' into JENKINS-19803